Bad benchmark reality-checked by Slashdot readers

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[Updated: see below] There are some good reasons that VMware wants pre-publishing review of benchmarks using our software. There are also good reasons not to like this policy, and my personal view is that it probably should be phased out at some point. However, we see problems with virtual performance testing over and over again. Read more...

The hypervisor and the whole solution

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Two comments on the recent back and forth on hypervisor performance. Both bloggers use VMware Infrastructure in their jobs every day, just so you know their biases going in. Geert Baeke: The results are interesting because performance is very similar. But is this enough to conclude that the XenSource product is a valid alternative to Read more...

Studying NUMA with VMmark

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Bruce Herndon of VMware’s performance team uses the VMmark benchmark to take a look at how ESX Server utilizes NUMA (non-uniform memory access) while scaling to high numbers of virtual machines. Link: Studying NUMA with VMmark. In a NUMA system, the processors are divided into sets, also known as nodes. Each node has direct, local Read more...

More on performance comparisons from the team

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From Jeff Buell at the performance team blog, VROOM!: At VMworld last November I had the opportunity to talk to many ESX users and to discover for myself what performance issues were most on their minds. As it turned out, this endeavor was not very successful; everybody was generally happy with ESX performance. On the Read more...

Benchmarking ESX Server vs Xen

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Let us first have Tarry Singh remind us that the real value of benchmarking is in configuring and managing your systems better, not about raw competition in non-real-world speed races. From TarryBlogging: Benchmarking is not about VMware is better than Parallels is better that Xen is better than whatever. It is about telling the customer Read more...